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Title: Optical diode based on exciton-polaritons
Authors: Espinosa-Ortega, Tania
Liew, Timothy Chi Hin
Shelykh, Ivan A.
Keywords: Polaritons
Optical microcavities
Issue Date: 2013
Source: Espinosa-Ortega, T., Liew, T. C. H., & Shelykh, I. A. (2013). Optical diode based on exciton-polaritons. Applied Physics Letters, 103(19), 191110-.
Series/Report no.: Applied Physics Letters
Abstract: We propose theoretically an optical diode based on exciton-polaritons in semiconductor microcavities. A flow of polaritons in the bistable regime is used to send signals through an asymmetric fixed potential that favours the bridging of particles in one direction. Through dynamic modelling of the coherent polariton field, we demonstrate the characteristics of an ideal diode, namely, that the forward signal is fully transmitted while the transmission in the reverse direction tends to zero, without any additional external control. Moreover, the system proves to be robust to the presence of disorder, intrinsic to microcavities, and can function at gigahertz repetition rates.
ISSN: 0003-6951
DOI: 10.1063/1.4829363
Rights: © 2013 American Institute of Physics (AIP). This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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